You may want to purchase and attach a fabric cover over the bars so that you don’t scratch your boards.
You can purchase these straps online or at surfing stores.
If your boards are different lengths, put the longer board on the bottom. [3] X Research source
Make sure that the second board lays flat on the first before moving onto the next step.
Do not throw the buckled end or you may damage your car.
Make sure that you don’t pull the free end too much or the other side of the strap may come undone.
Pull harder on the free end of the strap to tighten it more, if need be.
The front straps should be behind the fins on the paddleboard.
If you are attaching more than 1 board to your car, a safety strap is essential.
When you throw the free end over, make sure it goes to the other side of your vehicle.
You’ll have to go into the back seat to grab the free end of the strap.
Closing the doors on the strap will keep the straps tight even if the buckle fails.